header{
    padding: 20px;
    box-shadow: 0 3px 3px rgb(242,148,6);
}
header::after{
    content: '';
    display: block;
    clear: both;
}
header div{
    float: left;
}
header div.radius{
    float: right;
    text-align: center;
    line-height: 47px;
}
.title{
    width: 70%;
    height: 47px;
    line-height: 47px;
    color: #000;
    text-align: center;
    font-size: 20px;
}
.icon{
    width:47px;
    height: 47px;
    background-image: url('./img/i_head4.png');
    background-position: -20px -30px;
}
.radius{
    background-color: dodgerblue;
    border-radius: 23px 0 0 23px;
    transition: all 0.5s;
    width: 100px;
    height: 47px;
}
section.main input{
    width: 90%;
    margin: 20px;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}
.main ul li{
    display: inline-block;
    width:32%;
    height: 48px;
    line-height: 48px; 
    text-align: center;
}
.main ul li a{
    color: #333;
    text-decoration: none;
    font-size: 18px;
}
.active{
    border-bottom: 3px solid rgb(242,148,6);
}
.nav{
    border-bottom: 2px solid #ccc;
}
.mid-con.title{
    margin-top: 30px;
    margin-bottom: 20px;
    border-top: 2px solid rgb(242,148,6);
}
.pics ul li{
    width: 31.3%;
    float: left;
    margin: 10px;
    position: relative;
}
.pics ul li img{    
    width: 100%;
}
.pics ul li span{
    position: absolute;
    bottom: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 47px;
    line-height: 47px;
    font-size: 18px;
}
